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Exam 200-301 topic 1 question 1058 discussion

Actual exam question from Cisco's 200-301
Question #: 1058
Topic #: 1
[All 200-301 Questions]

SIMULATION
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Guidelines
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This is a lab item in which tasks will be performed on virtual devices

• Refer to the Tasks tab to view the tasks for this lab item.
• Refer to the Topology tab to access the device console(s) and perform the tasks.
• Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.
• All necessary preconfigurations have been applied.
• Do not change the enable password or hostname for any device.
• Save your configurations to NVRAM before moving to the next item.
• Click Next at the bottom of the screen to submit this lab and move to the next question.
• When Next is clicked the lab closes and cannot be reopened.


Topology
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Tasks
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Configure IPv4 and IPv6 connectivity between two routers. For IPv4, use a /28 network from the 192.168.180.0/24 private range. For IPv6, use the first /64 subnet from the 2001:0db8:acca::/48 subnet.

1. Using Ethernet0/1 on routers R1 and R2, configure the next usable /28 from the 192.168.180.0/24 range. The network 192.168.180.0/28 is unavailable.
2. For the IPv4 /28 subnet, router R1 must be configured with the first usable host address.
3. For the IPv4 /28 subnet, router R2 must be configured with the last usable host address.
4. For the IPv6 /64 subnet, configure the routers with the IP addressing provided from the topology.
5. A ping must work between the routers on the IPv4 and IPv6 address ranges.



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rogi2023
Highly Voted 1 year, 9 months ago
Hey, read carefully: "The network 192.168.180.0/28 is unavailable." so the next /28 subnet is 192.168.180.16/28 therefore first IP is .17 and last usable is .30.
upvoted 40 times
dozer86
1 year, 9 months ago
correct net 192.168.180.0/28 is unavailable.
upvoted 6 times
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ac89l
Highly Voted 1 year, 9 months ago
subnet is not available: 192.168.180.0/28 so the next /28 subnet is 192.168.180.16/28 therefore first IP is .17 and last usable is .30 on R1 config terminal ipv6 unicast-routing inter eth0/1 ip address 192.168.180.17 255.255.255.240 ipv6 addre 2001:db8:acca::1/64 not shut end copy running start on R2 config terminal ipv6 unicast-routing inter eth0/1 ip address 192.168.1.30 255.255.255.240 ipv6 address 2001:db8:acca::2/64 not shut end copy running start
upvoted 16 times
VicM
1 year, 8 months ago
For the IPv4 /28 subnet, router R2 must be configured with the last usable host address i.e 46 ;)
upvoted 2 times
KT_Yu
7 months, 2 weeks ago
they are in the same subnet, dude
upvoted 1 times
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studying_1
1 year, 8 months ago
no its /28 you're mistaken, from 16-31, it's 30
upvoted 12 times
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darthwin
Most Recent 5 months, 3 weeks ago
R1 conf ter R1 int eth0/1 R1 ip address 192.168.180.17 255.255.255.240 R1 ipv6 enable R1 ipv6 address 2001:db8:acca::1/64 R1 no shutdown R1 write R2 conf ter R2 int eth0/1 R2 ip add 192.168.180.30 255.255.255.240 R2 ipv6 enable R2 ipv6 address 2001:db8:acca::2/64 R2 no shutdown do write
upvoted 2 times
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KT_Yu
7 months, 2 weeks ago
1. Using Ethernet0/1 on routers R1 and R2, configure the next usable /28 from the 192.168.180.0/24 range. The network 192.168.180.0/28 is unavailable. 2. For the IPv4 /28 subnet, router R1 must be configured with the first usable host address. R1: int e0/1; ip address 192.168.180.17 255.255.255.240; no shut 3. For the IPv4 /28 subnet, router R2 must be configured with the last usable host address. R2: int e0/1; ip address 192.168.180.30 255.255.255.240; no shut 4. For the IPv6 /64 subnet, configure the routers with the IP addressing provided from the topology. R1: ipv6 unicast-routing ipv6 address 2001:db8:acca::1/64 no shut R2: ipv6 unicast-routing ipv6 address 2001:db8:acca::2/64 no shut
upvoted 1 times
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bymrdas
8 months, 3 weeks ago
R1 enable configure terminal ipv6 unicast-routing interface ethernet0/1 no shutdown ip address 192.168.180.17 255.255.255.240 ipv6 address 2001:db8:acca::1/64 exit copy running-startup config R2 enable configure terminal ipv6 unicast-routing interface ethernet0/1 no shutdown ip address 192.168.180.30 255.255.255.240 ipv6 address 2001:db8:acca::2/64 exit copy running-startup config
upvoted 1 times
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daryl10
1 year ago
R1: inter eth0/1 ip address 192.168.180.17 255.255.255.240 ipv6 addre 2001:db8:acca::1/64 no shutdown exit R2: inter eth0/1 ip address 192.168.1.30 255.255.255.240 ipv6 address 2001:db8:acca::2/64 no shutdown exit
upvoted 1 times
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[Removed]
1 year, 1 month ago
R1(config)#ipv6 unicast-routing R1(config)#interface e0/1 R1(config-if)#ip address 192.168.180.17 255.255.255.240 R1(config-if)#ipv6 address 2001:db8:acca::1/64 R1(config-if)#no shutdown R2(config)#ipv6 unicast-routing R2(config)#interface e0/1 R2(config-if)#ip address 192.168.180.30 255.255.255.240 R2(config-if)#ipv6 address 2001:db8:acca::2/64 R2(config-if)#no shutdown
upvoted 2 times
86a50a6
10 months, 2 weeks ago
On interface level you will have to add "ipv6 enable" command
upvoted 1 times
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picho707
1 year, 1 month ago
R1(config)#ipv6 unicast-routing R2(config)#ipv6 unicast-routing R1(config)#interface gigabitEthernet 0/1 R1(config-if)#ip address 192.168.180.17 255.255.255.240 R1(config-if)#ipv6 address 2001:db8:acca::1/64 R1(config-if)#no shutdown R2(config)#interface gigabitEthernet 0/1 R2(config-if)#ip address 192.168.180.30 255.255.255.240 R2(config-if)#ipv6 address 2001:db8:acca::2/64 R2(config-if)#no shutdown
upvoted 2 times
86a50a6
10 months, 2 weeks ago
On interface level you will have to add "ipv6 enable" command
upvoted 1 times
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Nmk3216
1 year, 2 months ago
As you can see..How many mistakes is this?.. In this question the first subnet is unavailable. In this case the second subnet range (192.168.180.16-31) will use in this network.
upvoted 1 times
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[Removed]
1 year, 3 months ago
1) 192.168.180.0/28 --> 2. Subnet id 192.168.180.16 and broadcast id 192.168.180.31 so we must use as first id 192.168.180.17 and last id 192.168.180.30 2,3) R1: int e0/1 > ip add 192.168.180.17 255.255.255.240 R2: int e0/1 > ip add 192.168.180.30 255.255.255.240 4) R1: ipv6 unicast routing, int e0/1 > ipv6 add 2001:db8:acca::1/64 R2: ipv6 unicast routing,, int e0/1 > ipv6 add 2001:db8:acca::2/64 5) R1: ping 192.168.180.17 R1: ping ipv6 2001:db8:acca::2 Final: copy running-config startup-config
upvoted 3 times
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raptuz
1 year, 5 months ago
why enable ipv6 unicast-routing? is not required to enable ipv6 routing in the question
upvoted 1 times
Paul1111
1 year, 5 months ago
It is required to enable ipv6 globally on a device
upvoted 1 times
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VicM
1 year, 9 months ago
subnet is 192.168.180.16/28 on R1 config terminal ipv6 unicast-routing inter eth0/1 ip address 192.168.180.17 255.255.255.240 ipv6 addre 2001:db8:aaaa::1/64 not shut end copy running start subnet is 192.168.180.32/28 use last usable IP i.e 46 on R2 config terminal ipv6 unicast-routing inter eth0/1 ip address 192.168.1.46 255.255.255.240 ipv6 address 2001:db8:aaaa::2/64 not shut end copy running start
upvoted 2 times
RashidOzil
1 year, 9 months ago
Thank you firstly, I have question regarding the ipv6 why it changed from cc to aa (2001:db8:aaaa::2/64)?
upvoted 1 times
studying_1
1 year, 9 months ago
it shouldn't change, it's a typo
upvoted 2 times
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studying_1
1 year, 8 months ago
it's /28, 0-15 not available. 16-31, last ip address is 30
upvoted 1 times
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